PT-2012-4267 · FFmpeg+1 · Ffmpeg+1

Published 2012-09-10 · Updated 2018-10-30 · CVE-2012-2796

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to 0.11 Libav versions prior to 0.8.4

Description The issue is related to inconsistencies in coded slice positions and interlacing that trigger out of array writes in the vc1 decode frame function. This function is located in libavcodec/vc1dec.c. The impact and attack vectors of this issue are unknown.

Recommendations For FFmpeg versions prior to 0.11, update to version 0.11 or later. For Libav versions prior to 0.8.4, update to version 0.8.4 or later.

Fix

Related Identifiers

CVE-2012-2796

Affected Products

Ffmpeg

Libav

References · 10

• http://mandriva.com/security/advisories?name=MDVSA-2013:079 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-2796 · Security Note
• http://ffmpeg.org/security.html · Note
• http://libav.org/releases/libav-0.8.4.changelog · Note
• http://openwall.com/lists/oss-security/2012/09/02/4 · Note
• http://securityfocus.com/bid/55355 · Note
• http://secunia.com/advisories/51257 · Note
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=5e59a77cec804a9b44c60ea22c17beba6453ef23 · Note
• http://openwall.com/lists/oss-security/2012/08/31/3 · Note
• http://secunia.com/advisories/50468 · Note